# NTSB CHI85LA083: Cessna 172M, N9484H, Mt Sterling, IL, January 2, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 2, 1985, 16:15 local (22:15 UTC)
- Place: Mt Sterling, IL
- Coordinates: 39.980243, -90.760704 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.9802&lon=-90.7607&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12983
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI85LA083
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12983/pdf
- Page: https://openairdocs.org/ntsb/CHI85LA083

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - on ground/water, landing - roll
  - terrain condition - snow covered (contributing factor)
  - airspeed - excessive, pilot in command (cause)
- Overrun, landing - flare/touchdown
  - all available runway - not used, pilot in command (contributing factor)
  - lowering of flaps - not used, pilot in command (contributing factor)
  - weather condition - tailwind (contributing factor)
- Nose over, landing - roll

## Analysis

THE PLT LANDED LONG AT HIS HOME ARPT USING NO FLAPS WITH A PREVAILING TAILWIND. THE 2600 FT TURF STRIP WAS FROZEN. DURING BRAKING THE ACFT SKIDDED OFF THE RWY AND STRUCK A SNOW BERM BEFORE ROLLING INVERTED.

## Aircraft

- Registration: [N9484H](https://openairdocs.org/aircraft/N9484H), registered now, S/N 17266175, built 1975 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17266175
- Airframe hours: 685
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Parum Air Inc.
- Airworthiness certificate: Standard, Normal
- Departed: 5H4, MT STERLING, IL
- Airport: 5H4, Brown County, runway 27, 2,600 × 100 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 34; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 87 total, 33 in this make and model, 56 as pilot in command, 23 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 30° at 6 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 10 °F, dew point 3 °F
- Altimeter: 30.00 inHg
- Observed at: UIN, 17 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19850102000109A](https://openairdocs.org/incident/19850102000109A), Jan 2, 1985: Cessna 172M, Mt Sterling, IL, Substantial damage. During no flap landing on snow ice covered runway aircraft skidded into snowbank and flipped over.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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